TWI746751B - Dust collecting apparatus and dust removing method thereof - Google Patents

Dust collecting apparatus and dust removing method thereof Download PDF

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Publication number
TWI746751B
TWI746751B TW106145061A TW106145061A TWI746751B TW I746751 B TWI746751 B TW I746751B TW 106145061 A TW106145061 A TW 106145061A TW 106145061 A TW106145061 A TW 106145061A TW I746751 B TWI746751 B TW I746751B
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dust
cylindrical filter
filter material
discharge
discharge nozzle
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TW106145061A
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Chinese (zh)
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TW201829046A (en
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鈴木崇
天野寛之
北洞和彦
内田雅範
齋藤功
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日商新東工業股份有限公司
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/04—Cleaning filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2411—Filter cartridges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
    • B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/58—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/69—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side without movement with respect to the filter elements, e.g. fixed nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
    • B01D46/71—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
    • B01D46/72—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with backwash arms, shoes or nozzles

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

An objective of the present invention is to provide a dust connecting apparatus having a pulse jet type dust removing mechanism capable of evenly removing dust over the entire length of a cylindrical filter without increasing the pressure loss of the cylindrical filter, and a dusting removing method in the dust connecting apparatus.
The dust collecting apparatus of the present invention is a dust collecting apparatus 100 provided with a pulse jet type dust collecting mechanism for removing dust adhering to a cylindrical filter 10, the pulse jet type dust removing mechanism including a first discharging portion having a first discharging nozzle 24 for discharging a pulse jet from the one end side opening of the cylindrical filter toward the inside of the cylindrical filter, and a second discharging portion having a second discharging nozzle 32 for discharging a pulse jet from the other end side opening of the cylindrical filter toward the one end side opening of the cylindrical filter, the second discharging nozzle being provided at an distal end side of a pipe extending from the one end side to the other end side of the cylindrical filter.

Description

集塵裝置及其粉塵拍落方法 Dust collecting device and dust shooting method thereof

本發明係關於一種集塵裝置及其粉塵拍落方法，詳細而言，關於具備有對附著在筒狀濾材的粉塵進行除去的脈衝噴射式粉塵拍落機構的集塵裝置、以及自前述集塵裝置中的濾材的粉塵拍落方法。 The present invention relates to a dust collecting device and a dust slapping method thereof. In detail, it relates to a dust collecting device provided with a pulse jet type dust slapping mechanism for removing dust adhering to a cylindrical filter material, and a dust collecting device from the aforementioned dust collecting device. How to slap dust off the filter material in the device.

已知在藉由濾材從含有粉塵的含塵氣體來除去粉塵的集塵裝置中，有一種具備有脈衝噴射式粉塵拍落機構的集塵裝置，該脈衝噴射式粉塵拍落機構係為了拍落附著在濾材的粉塵，自排出部以脈衝狀形態噴出壓縮空氣者。 It is known that among dust collecting devices that remove dust from dust-containing gas by a filter material, there is a dust collecting device equipped with a pulse jet type dust flapping mechanism for the purpose of flapping The dust adhering to the filter material is sprayed with compressed air in pulses from the discharge part.

已知有一種具備粉塵拍落機構的集塵裝置(例如，參照專利文獻1)，該粉塵拍落機構係藉由在筒狀之濾材的內部設置截頭圓錐形狀的錐形管、或在濾材的下端部設置凹形狀的底板，從而增大濾材的內壓，以謀求內壓遍及濾材全長的均等化。 There is known a dust collecting device equipped with a dust flapping mechanism (for example, refer to Patent Document 1). The dust flapping mechanism is provided by installing a truncated cone-shaped conical tube inside a cylindrical filter material, or on the filter material A concave bottom plate is provided at the lower end of the filter to increase the internal pressure of the filter material to achieve the equalization of the internal pressure over the entire length of the filter material.

(先前技術文獻) (Prior technical literature) (專利文獻) (Patent Document)

專利文獻1：日本特開2011-245439號公報 Patent Document 1: Japanese Patent Application Publication No. 2011-245439

然而，在上述形態的粉塵拍落機構中，遍及筒狀的濾材全長均勻地拍落粉塵效果並不充分。再者，由於在筒狀的濾材內部設置阻礙空氣之流動的構件，所以會有濾材的壓力損失變大的問題。 However, in the dust flapping mechanism of the above-mentioned form, the effect of uniformly flapping dust over the entire length of the cylindrical filter material is not sufficient. Furthermore, since a member that obstructs the flow of air is provided inside the cylindrical filter medium, there is a problem that the pressure loss of the filter medium increases.

本發明係有鑑於上述問題點所研創者，其目的在於提供一種具備有在不會增加筒狀的濾材的壓力損失，而可遍及筒狀的濾材全長均勻地拍落粉塵的脈衝噴射式粉塵拍落機構的集塵裝置、及於該集塵裝置中的粉塵拍落方法。 The present invention was developed in view of the above-mentioned problems, and its object is to provide a pulse jet dust rack that can uniformly slap dust over the entire length of the cylindrical filter without increasing the pressure loss of the cylindrical filter material. A dust collecting device of a falling mechanism and a dust slapping method in the dust collecting device.

根據本發明提供一種集塵裝置，係具備有對附著在筒狀濾材的粉塵進行除去的脈衝噴射式粉塵拍落機構者，前述脈衝噴射式粉塵拍落機構係具備有：第一排出部，係具有從前述筒狀濾材的一端側開口朝向前述筒狀濾材的內部排出脈衝噴射的第一排出噴嘴；以及第二排出部，係具有從前述筒狀濾材的另一端側以朝向前述筒狀濾材的一端側開口排出脈衝噴射的第二排出噴嘴；該第二排出噴嘴係設置於自前述筒狀濾材的一端側延伸至另一端側之管路的前端側。 According to the present invention, there is provided a dust collecting device, which is provided with a pulse jet type dust flapping mechanism for removing dust attached to a cylindrical filter material, and the pulse jet type dust flapping mechanism is provided with: a first discharge part, Having a first discharge nozzle that discharges pulse jets from one end side of the cylindrical filter material toward the inside of the cylindrical filter material; and a second discharge portion having an opening from the other end side of the cylindrical filter material toward the cylindrical filter material A second discharge nozzle that discharges pulse jets is opened at one end; the second discharge nozzle is arranged at the front end of a pipeline extending from one end of the cylindrical filter material to the other end.

根據如前述的構成，由於並未配置有如增大筒狀濾材的內部空間的濾材之壓力損失的構件，而且從筒狀濾材的兩端側朝向筒狀濾材的內部空間排出相對向的脈衝噴射，所以可在不增加筒狀濾材的壓力損失之情形下，遍及筒狀之濾材的全長均勻地拍落粉塵。 According to the aforementioned configuration, since there is no member that increases the pressure loss of the filter medium in the inner space of the cylindrical filter medium, and the opposite pulse jet is discharged from both ends of the cylindrical filter medium toward the inner space of the cylindrical filter medium, so Without increasing the pressure loss of the cylindrical filter material, the dust can be evenly slapped over the entire length of the cylindrical filter material.

再者，可在不對既存的集塵裝置施行大幅的改變之情形下，將粉塵拍落用的脈衝噴射的排出噴嘴配置在濾材的相對向位置。 In addition, it is possible to arrange the discharge nozzle of the pulse jet for dust beating down at the opposite position of the filter medium without drastically changing the existing dust collection device.

依據本發明之另一較佳態樣， 前述管路係具有設置於前端部的反轉路徑，且前述第二排出噴嘴係設置於前述反轉路徑的前端。 According to another preferred aspect of the present invention, the pipeline has a reversing path provided at the front end, and the second discharge nozzle is provided at the front end of the reversing path.

根據如前述的構成，以簡單的構成，即可將粉塵拍落用的脈衝噴射的排出噴嘴配置於濾材的相對向位置。 According to the configuration as described above, with a simple configuration, the discharge nozzle for pulse jetting for falling dust can be arranged at the opposing position of the filter medium.

依據本發明之另一較佳態樣，前述反轉路徑係具有大致U字形狀。 According to another preferred aspect of the present invention, the aforementioned reversal path has a substantially U-shape.

依據本發明之另一較佳態樣，前述管路係配置於屬於導入有清淨空氣之空間的前述筒狀濾材的內部空間。 According to another preferred aspect of the present invention, the pipeline is arranged in the internal space of the cylindrical filter material into which the clean air is introduced.

在將管路配置於粉塵所存在的筒狀濾材的外側的構成中，會有在該部分粉塵入侵至管路內，而粉塵自管路的前端朝濾材內噴射的疑慮。因此，在將管路配置在筒狀濾材的外側的構成中，必須確保管路的氣密性，而致使裝置的製造成本上升。然而，根據上述方式的構成， 管路係配置於屬於導入有清淨空氣之空間的筒狀濾材的內部空間，所以在管路本身不須較高的氣密性，即可抑制裝置的製造成本等。 In a configuration in which the pipe is arranged outside the cylindrical filter medium where the dust exists, there is a concern that the dust invades into the pipe and the dust is sprayed from the tip of the pipe into the filter medium. Therefore, in the configuration in which the pipeline is arranged on the outside of the cylindrical filter medium, the airtightness of the pipeline must be ensured, which increases the manufacturing cost of the device. However, according to the above-mentioned configuration, the piping system is arranged in the inner space of the cylindrical filter medium into the space into which clean air is introduced. Therefore, the piping itself does not require high airtightness, and the manufacturing cost of the device can be suppressed. .

依據本發明之另一較佳態樣，前述管路係配置於前述筒狀濾材的外部，前述反轉路徑係在前述筒狀濾材的另一端側貫穿濾材並延伸至筒狀濾材的內部空間。 According to another preferred aspect of the present invention, the pipeline is arranged outside the cylindrical filter material, and the reversal path penetrates the filter material on the other end side of the cylindrical filter material and extends to the inner space of the cylindrical filter material.

根據如上述方式的構成，由於在筒狀濾材的內部不具有阻礙空氣流動的構件，所以在濾材的內部空間，空氣的流動會順暢。 According to the configuration as described above, since there is no member that obstructs the flow of air inside the cylindrical filter medium, the flow of air is smooth in the internal space of the filter medium.

依據本發明之另一較佳態樣，前述第二排出噴嘴係具有先端細窄形狀。 According to another preferred aspect of the present invention, the second discharge nozzle has a narrow tip shape.

根據如上述之方式的構成，藉由前端細窄形狀的排出噴嘴，排出的脈衝噴射的壓力及速度會提升。結果，更高速度的脈衝噴射會到達至更遠處，再者，更高速度的脈衝噴射會導入更大量周圍的空氣，從而提升粉塵拍落效果。 According to the configuration as described above, the discharge nozzle with a narrow tip shape increases the pressure and speed of the discharge pulse jet. As a result, the higher-speed pulse jet will reach farther, and the higher-speed pulse jet will introduce a larger amount of surrounding air, thereby enhancing the dust falling effect.

依據本發明之另一較佳態樣，前述第二排出噴嘴係具有擴展形狀。 According to another preferred aspect of the present invention, the aforementioned second discharge nozzle has an expanded shape.

根據如上述方式的構成，藉由噴嘴的擴展形狀，從而使排出的脈衝噴射擴散，而可在較濾材內部的更寬闊的範圍獲得粉塵拍落效果。 According to the configuration as described above, the expanded shape of the nozzle spreads the discharged pulse jet, and the dust falling effect can be obtained in a wider area than the filter medium.

依據本發明之另一較佳態樣，前述反轉路徑係前端側分支成複數個部分，且在該部 分之各者設置有第二排出噴嘴。 According to another preferred aspect of the present invention, the aforementioned reverse path is branched into a plurality of parts on the front end side, and each of the parts is provided with a second discharge nozzle.

根據如上述方式的構成，特別是，若筒狀濾材的內部剖面積較寬闊時，藉由來自複數部位的脈衝噴射的排出，從而可在較濾材內部的更寬闊的範圍獲得粉塵拍落效果。 According to the configuration as described above, particularly when the internal cross-sectional area of the cylindrical filter medium is wide, the discharge of pulse jets from a plurality of locations can obtain the dust falling effect in a wider area than the filter medium.

依據本發明之另一較佳態樣，前述第二排出部係與前述筒狀濾材一體性地構成，且構成為可從前述集塵裝置一體性地裝卸。 According to another preferred aspect of the present invention, the second discharge portion is formed integrally with the cylindrical filter material, and is configured to be integrally attachable and detachable from the dust collecting device.

根據如前述方式的構成，在濾材的裝卸時不會產生多餘的作業，如習知般可容易地進行濾材的裝卸。 According to the configuration as described above, no unnecessary work is generated during the loading and unloading of the filter medium, and the loading and unloading of the filter medium can be easily performed as in the prior art.

依據本發明之另一較佳態樣，前述集塵裝置係具備有：劃分粉塵室與清淨空氣室的單元板、以及用來在該單元板安裝前述筒狀濾材的濾材框架；前述濾材框架係具有與形成在前述筒狀濾材之一端側的孔部互補的突起，前述筒狀濾材係藉由使前述突起嵌合於前述孔部，而裝卸自如地安裝於前述集塵裝置。 According to another preferred aspect of the present invention, the dust collecting device is provided with: a unit plate dividing the dust chamber and the clean air chamber, and a filter material frame for installing the cylindrical filter material on the unit plate; the filter material frame is It has a protrusion complementary to the hole formed on one end side of the cylindrical filter material, and the cylindrical filter material is detachably attached to the dust collecting device by fitting the protrusion to the hole.

根據如上述之方式的構成，確實且容易地進行脈衝噴射的排出位置與濾材的中心位置的對準，而可獲得由脈衝噴射所進行的效果性的粉塵拍落效果。 According to the configuration as described above, the discharge position of the pulse jet and the center position of the filter material can be aligned reliably and easily, and the effective dust falling effect by the pulse jet can be obtained.

本發明又提供一種粉塵拍落方法，係於如上述任一方式構成中的集塵裝置的粉塵拍落方法中，該粉塵拍落方法係具備有：從前述第一排出部及第二排出部排 出脈衝噴射並從前述筒狀濾材拍落粉塵的拍落步驟，並且該拍落步驟係以來自前述第一排出部的脈衝噴射的排出、與來自前述第二排出部的脈衝噴射的排出具有時間差的形態被開始。 The present invention also provides a dust slapping method, in the dust slapping method of a dust collecting device configured in any one of the above-mentioned modes, the dust slapping method is provided with: A step of discharging the pulse jet and slapping the dust from the cylindrical filter material, and the step is the discharge of the pulse jet from the first discharge part, and the discharge of the pulse jet from the second discharge part has a time difference The form is started.

根據如上述方式的構成，可改變藉由兩個脈衝噴射衝突所產生的壓力上升部位，所以可確實地拍落濾材的特定部位的粉塵。 According to the configuration as described above, the pressure rise portion caused by the collision of the two pulse jets can be changed, so that the dust at a specific portion of the filter material can be reliably slapped.

依據本發明之另一較佳態樣，該粉塵拍落方法係一面改變前述時間差一面被執行。 According to another preferred aspect of the present invention, the dust falling method is performed while changing the aforementioned time difference.

根據如上述方式的構成，在濾材內依序使壓力上升部位移動，而可有效地拍落濾材整體的粉塵。 According to the configuration as described above, the pressure-increasing parts are sequentially moved within the filter medium, and the dust on the entire filter medium can be effectively slapped off.

根據本發明，提供一種具備在不會增加筒狀的濾材的壓力損失之情形下，可遍及筒狀的濾材全長均勻地拍落粉塵的脈衝噴射式粉塵拍落機構的集塵裝置、及該集塵裝置中的粉塵拍落方法。 According to the present invention, there is provided a dust collector provided with a pulse jet type dust flapping mechanism capable of uniformly slapping dust over the entire length of the cylindrical filter medium without increasing the pressure loss of the cylindrical filter medium, and the collector The method of falling dust in the dust device.

1‧‧‧框體 1‧‧‧Frame

2‧‧‧單元板 2‧‧‧Unit board

4‧‧‧粉塵室 4‧‧‧Dust room

6‧‧‧清淨空氣室 6‧‧‧Clean air room

8‧‧‧濾材框架 8‧‧‧Filter material frame

8a‧‧‧開口 8a‧‧‧Opening

10‧‧‧筒狀濾材 10‧‧‧Cylinder filter material

12‧‧‧濾材上部盤件 12‧‧‧Upper plate of filter material

14‧‧‧孔部 14‧‧‧Hole

16‧‧‧突起 16‧‧‧Protrusion

18‧‧‧第一排出部 18‧‧‧First discharge part

20‧‧‧第二排出部 20‧‧‧Second discharge section

22、34‧‧‧歧管 22, 34‧‧‧Manifold

24‧‧‧第一排出噴嘴 24‧‧‧First discharge nozzle

26‧‧‧第一氣槽 26‧‧‧First air tank

28、36‧‧‧第一電磁閥 28, 36‧‧‧First solenoid valve

30、60‧‧‧管路 30、60‧‧‧Pipe

30a、40、40a、50a、60a‧‧‧反轉路徑 30a, 40, 40a, 50a, 60a‧‧‧Reverse path

32、42、52、62、72、82‧‧‧第二排出噴嘴 32, 42, 52, 62, 72, 82‧‧‧Second discharge nozzle

38‧‧‧第二氣槽 38‧‧‧Second air tank

50、70、80‧‧‧路徑 50, 70, 80‧‧‧path

100‧‧‧集塵裝置 100‧‧‧Dust collection device

第1圖係顯示本發明較佳實施形態中之具備脈衝噴射式粉塵拍落機構的集塵裝置之構成的概略性剖面圖。 Figure 1 is a schematic cross-sectional view showing the structure of a dust collecting device equipped with a pulse jet type dust flapping mechanism in a preferred embodiment of the present invention.

第2圖係第1圖中的集塵裝置的濾材框架的俯視圖。 Figure 2 is a plan view of the filter medium frame of the dust collector in Figure 1.

第3圖係沿著第2圖中III-III線段的剖面圖。 Figure 3 is a cross-sectional view along the line III-III in Figure 2.

第4圖係第1圖中的集塵裝置的濾材上部盤件的俯視圖。 Fig. 4 is a plan view of the upper disc of the filter medium of the dust collecting device in Fig. 1.

第5圖係顯示第1圖中的集塵裝置之濾材附近的構成的示意性縱剖面圖。 Fig. 5 is a schematic longitudinal sectional view showing the structure near the filter medium of the dust collector in Fig. 1.

第6圖係顯示粉塵拍落機構的變形例的示意性圖式。 Fig. 6 is a schematic diagram showing a modification of the dust flapping mechanism.

第7圖係顯示粉塵拍落機構的變形例的示意性圖式。 Fig. 7 is a schematic diagram showing a modification of the dust flapping mechanism.

第8圖係顯示粉塵拍落機構的變形例的示意性圖式。 Figure 8 is a schematic diagram showing a modification of the dust flapping mechanism.

第9圖係第8圖的變形例的俯視圖。 Figure 9 is a plan view of a modification of Figure 8.

第10圖係顯示粉塵拍落機構的變形例的示意性圖式。 Figure 10 is a schematic diagram showing a modification of the dust flapping mechanism.

第11圖係顯示粉塵拍落機構的變形例的示意性圖式。 Fig. 11 is a schematic diagram showing a modification of the dust flapping mechanism.

以下，依據圖式說明本發明的第一實施形態的集塵裝置。本實施形態的集塵裝置係具備有脈衝噴射式粉塵拍落機構的集塵裝置，該脈衝噴射式粉塵拍落機構係對附著於筒狀濾件的粉塵進行除去者。 Hereinafter, the dust collector according to the first embodiment of the present invention will be described based on the drawings. The dust collector of this embodiment is a dust collector provided with a pulse jet type dust flapping mechanism which removes dust adhering to the cylindrical filter.

第1圖係顯示本實施形態中之具備脈衝噴射式粉塵拍落機構的集塵裝置100之構成的概略性剖面圖。 Fig. 1 is a schematic cross-sectional view showing the structure of a dust collector 100 equipped with a pulse jet type dust flapping mechanism in this embodiment.

如第1圖所示，集塵裝置100係具備有框體1。框體1的內部空間係藉由屬於分隔板的單元板2，來劃分成粉塵室4、及清淨空氣室6，該粉塵室4係導入含有粉塵的含塵空氣，而該清淨空氣室6係導入經除去粉塵的清淨空氣。 As shown in FIG. 1, the dust collector 100 is provided with a housing 1. The internal space of the frame 1 is divided into a dust room 4 and a clean air room 6 by the unit plate 2 belonging to the partition plate. The dust room 4 introduces dust-containing air containing dust, and the clean air room 6 It introduces clean air that has been dust-removed.

在屬於分隔板的單元板2係經由濾材框架8安裝有複數根(在本實施形態中為三根)有底部圓筒形的筒狀濾材10。在本實施形態中，濾材10係具有褶襉形狀，且利用濾布之外表面過濾並捕集粉塵的構成。然而，本發 明並不限定於此，亦可採用其他構造的濾材，例如使用圓筒濾布的濾材等。 A plurality of (three in this embodiment) cylindrical filter medium 10 with a bottom cylindrical shape is attached to the unit plate 2 belonging to the partition plate via the filter medium frame 8. In this embodiment, the filter medium 10 has a pleated shape, and uses the outer surface of the filter cloth to filter and collect dust. However, the present invention is not limited to this, and filter materials of other structures may be used, such as filter materials using cylindrical filter cloth.

第2圖係濾材框架8的俯視圖，而第3圖係沿著第2圖的III-III線段的剖面圖。再者，第4圖係筒狀濾材10的俯視圖。 Fig. 2 is a top view of the filter frame 8 and Fig. 3 is a cross-sectional view along the line III-III of Fig. 2. Furthermore, FIG. 4 is a plan view of the cylindrical filter medium 10.

如第2圖所示，在濾材框架8係形成有適合筒狀濾材10之外徑尺寸的圓形開口8a。濾材框架8的開口8a的外緣係以預定的角度(在本實施形態中為120度)間隔形成有突起16。 As shown in FIG. 2, the filter medium frame 8 is formed with a circular opening 8 a suitable for the outer diameter of the cylindrical filter medium 10. The outer edge of the opening 8a of the filter material frame 8 is formed with protrusions 16 at intervals of a predetermined angle (120 degrees in this embodiment).

如第4圖所示，筒狀濾材10係於一端側具有濾材上部盤件12。濾材上部盤件12係以塑料、金屬等所形成的環狀的框架狀構件，且以預定的角度間隔(在本實施形態中為120度間隔)設置有與濾材框架8的突起16互補的固定用的孔部14。 As shown in Fig. 4, the cylindrical filter medium 10 has an upper filter medium plate 12 on one end side. The upper plate 12 of the filter material is a ring-shaped frame-shaped member formed of plastic, metal, etc., and is provided with a fixed angle complementary to the protrusions 16 of the filter material frame 8 at predetermined angular intervals (120 degree intervals in this embodiment)用的孔部14。 Using the hole 14.

在本實施形態中，筒狀濾材10係配置成將濾材上部盤件12排列在濾材框架8的開口，且使濾材框架8的開口8a之外緣的突起16嵌合在濾材上部盤件12的孔部14，藉此安裝在濾材框架8。 In this embodiment, the cylindrical filter medium 10 is arranged such that the upper filter medium plate 12 is arranged in the opening of the filter medium frame 8, and the protrusion 16 on the outer edge of the opening 8a of the filter medium frame 8 is fitted into the upper plate 12 of the filter medium. The hole 14 is thereby installed in the filter frame 8.

在本實施形態中，筒狀濾材10係將安裝有筒狀濾材10的濾材框架8嵌入至設置於單元板2的濾材框架安裝構件(未圖示)，藉此經由濾材框架8安裝至單元板2。 In this embodiment, the cylindrical filter medium 10 is fitted with the filter medium frame 8 to which the cylindrical filter medium 10 is mounted to the filter medium frame mounting member (not shown) provided on the unit plate 2, thereby being mounted to the unit plate via the filter medium frame 8 2.

藉由如上述的構成，粉塵室4側的含塵空氣係經由濾材10而流入至清淨空氣室6。 With the configuration described above, the dust-containing air on the side of the dust chamber 4 flows into the clean air chamber 6 through the filter material 10.

本實施形態的集塵裝置100係具備有對附著於筒狀濾材10的粉塵進行去除的脈衝噴射式粉塵拍落機構。該脈衝噴射式粉塵拍落機構係具備有第一排出部18、及第二排出部20。 The dust collecting device 100 of this embodiment is equipped with a pulse jet type dust flapping mechanism which removes dust adhering to the cylindrical filter medium 10. This pulse jet type dust flapping mechanism is provided with a first discharge part 18 and a second discharge part 20.

第一排出部18係構成為自筒狀濾材10的一端側開口朝向筒狀濾材的內部排出脈衝噴射。詳細而言，第一單元排出部18係具備有：配置於單元板2的上方位置，且與單元板2大致平行地配置的歧管(manifold)22、以及形成於該歧管22的複數個第一排出噴嘴24。 The first discharge portion 18 is configured to discharge pulse jets from one end side opening of the cylindrical filter medium 10 toward the inside of the cylindrical filter medium. In detail, the first unit discharge portion 18 is provided with: a manifold 22 arranged at a position above the unit plate 2 and arranged substantially parallel to the unit plate 2, and a plurality of manifolds 22 formed on the manifold 22 The first discharge nozzle 24.

第一排出噴嘴24係配置成在筒狀濾材10的一端側(濾材上部盤件側，亦即濾材框架側)，且第一排出噴嘴24的排出口係在筒狀濾材10的中心軸線上指向筒狀濾材10的內部，且構成為將經由歧管22所供應的壓縮空氣自筒狀濾材10的一端測的開口以脈衝噴射形態朝向筒狀濾材10的內部排出經由歧管22所供應的壓縮空氣。 The first discharge nozzle 24 is arranged on one end side of the cylindrical filter medium 10 (the upper disc side of the filter medium, that is, the filter medium frame side), and the discharge port of the first discharge nozzle 24 is directed on the central axis of the cylindrical filter medium 10 The inside of the cylindrical filter medium 10 is configured to discharge the compressed air supplied through the manifold 22 from an opening measured at one end of the cylindrical filter medium 10 toward the inside of the cylindrical filter medium 10 in a pulse jet form. The compressed air supplied through the manifold 22 Air.

在歧管22的基端部係設置有：第一氣槽26、及具有氣閥的第一電磁閥28。第一排出部18係構成為：藉由第一氣槽26、及第一電磁閥28，以經由歧管22對第一排出噴嘴24供應壓縮空氣。 The base end of the manifold 22 is provided with a first air groove 26 and a first solenoid valve 28 having an air valve. The first discharge part 18 is configured to supply compressed air to the first discharge nozzle 24 via the manifold 22 by the first air groove 26 and the first solenoid valve 28.

另一方面，第二排出部20係構成為：自筒狀濾材10的另一端側朝向筒狀濾材10的一端側開口排出脈衝噴射。詳細而言，第二排出部20係具備有：沿筒狀濾材10的內部空間自一端側朝另一端側延伸的管路30、以及設置於管路30之前端的第二排出噴嘴32。管路30係於前端側(另一端側)具有大致U字狀的反轉(inversion)路徑30，且於反轉路徑30a的前端設置有第二排出噴嘴32。 On the other hand, the second discharge portion 20 is configured to discharge the pulse jet from the other end side of the cylindrical filter medium 10 toward the one end side opening of the cylindrical filter medium 10. Specifically, the second discharge portion 20 includes a pipe 30 extending from one end to the other end along the inner space of the cylindrical filter medium 10 and a second discharge nozzle 32 provided at the front end of the pipe 30. The pipeline 30 has a substantially U-shaped inversion path 30 on the front end side (the other end side), and a second discharge nozzle 32 is provided at the front end of the inversion path 30a.

在本實施態樣中，如第5圖所示，反轉路徑30a係具有一面描繪曲線(亦即一面彎曲)一面反轉之大致U狀。藉由該前端側的大致U字狀的反轉路徑30a，管路30具有大致J字狀的形狀。 In this embodiment, as shown in FIG. 5, the reversal path 30a has a substantially U-shape with a curved surface (that is, a curved surface) and a reversed surface. With the substantially U-shaped reversal path 30a on the tip side, the pipe 30 has a substantially J-shaped shape.

管路30係以沿著筒狀濾材10的內周面(接觸)而延伸之方式配置，且第二排出噴嘴32係構成為：前端的排出口位於筒狀濾材10的中心(中心軸線線上)，且以朝向筒狀濾材10的一端側開口之方式開口。 The pipeline 30 is arranged to extend along the inner peripheral surface (contact) of the cylindrical filter material 10, and the second discharge nozzle 32 is configured such that the discharge port at the front end is located at the center (center axis line) of the cylindrical filter material 10 , And open so as to open toward one end side of the cylindrical filter medium 10.

因此，在本實施態樣中，第一排出噴嘴24的排出口、及第二排出噴嘴32的排出口係在筒狀濾材10的中心軸線上相對向配置。 Therefore, in this embodiment, the discharge port of the first discharge nozzle 24 and the discharge port of the second discharge nozzle 32 are arranged opposite to each other on the central axis of the cylindrical filter medium 10.

管路30的上端部係直接連結在歧管34，且與第二氣槽38連通，該歧管34係設置具有氣閥的第二電磁閥36。 The upper end of the pipeline 30 is directly connected to the manifold 34 and communicates with the second air tank 38. The manifold 34 is provided with a second solenoid valve 36 having an air valve.

另外，亦可為管路30的上端部未與歧管34直接連結而以離開數mm左右的狀態配置的構成，或者為使用任何的接頭(joint)構件與歧管34連結的構成。 In addition, it may be a configuration in which the upper end of the pipeline 30 is not directly connected to the manifold 34 and is arranged in a state separated by a few mm, or a configuration in which the manifold 34 is connected using any joint member.

另外，在本實施形態中，第二排出噴嘴32係與管路30一體性地形成。然而，亦可將第二排出噴嘴32設為自管路30裝拆自如的獨立構件。 In addition, in this embodiment, the second discharge nozzle 32 is formed integrally with the duct 30. However, the second discharge nozzle 32 may also be an independent member that can be detached from the pipe 30.

如上述方式，在本實施形態中，第一排出噴嘴24的排出口、及第二排出噴嘴32的排出口係在筒狀 濾材10的中心軸線上相對向地配置，所以會使來自上方的第一排出噴嘴24的脈衝噴射、與來自下方的第二排出噴嘴32之脈衝噴射正面衝突，而可有效地提高筒狀濾材10的內部空間的壓力。 As described above, in this embodiment, the discharge port of the first discharge nozzle 24 and the discharge port of the second discharge nozzle 32 are arranged opposite to each other on the central axis of the cylindrical filter medium 10. The pulse spray from one discharge nozzle 24 directly conflicts with the pulse spray from the second discharge nozzle 32 below, which can effectively increase the pressure in the internal space of the cylindrical filter material 10.

在本實施形態中，管路30係在接觸於筒狀濾材10之內表面的狀態下，配置在筒狀濾材10的內部空間。具體而言，在管路30的上下端設置突起，並在筒狀濾材10側設置與管路側之突起互補的孔或凹部，且藉由將管路30的突起嵌合在濾材側之孔等，藉此將管路30連結在筒狀濾材10。 In the present embodiment, the pipeline 30 is arranged in the internal space of the cylindrical filter medium 10 in a state in which it is in contact with the inner surface of the cylindrical filter medium 10. Specifically, protrusions are provided at the upper and lower ends of the pipe 30, and holes or recesses complementary to the protrusions on the pipe side are provided on the cylindrical filter material 10 side, and the protrusions of the pipe 30 are fitted into the holes on the filter material side, etc. , Thereby connecting the pipeline 30 to the cylindrical filter material 10.

然而，亦可為以使用其他的固定構件將管路30與筒狀濾材10的內周面接觸並延伸的方式固定在筒狀濾材10的內部空間的構成。 However, another fixing member may be used to fix the pipeline 30 to the inner space of the cylindrical filter medium 10 so as to extend the pipeline 30 and the inner peripheral surface of the cylindrical filter medium 10.

如此，以將管路30定位在與筒狀濾材10的內周面接觸並延伸的位置，從而管路30難以成為來自上方的第一排出噴嘴24的脈衝噴射、及來自下方的第二排出噴嘴32的脈衝噴射的障礙。 In this way, the pipe 30 is positioned in contact with the inner peripheral surface of the cylindrical filter material 10 and extends, so that the pipe 30 is unlikely to be the pulse jet from the first discharge nozzle 24 above and the second discharge nozzle from below The impediment of 32 pulse jets.

另外，亦可將管路30與筒狀濾材10一體性地構成，且設為可從集塵裝置一體地裝卸的構造。根據如此構成，在筒狀濾材10的更換作業等時，可利用與以往所進行之作業相同的步驟，容易地進行濾材更換等之維護作業。 In addition, the pipeline 30 and the cylindrical filter medium 10 may be integrally configured, and may be configured to be integrally attachable and detachable from the dust collecting device. According to such a configuration, during the replacement work of the cylindrical filter medium 10, the same steps as the work performed in the past can be used to easily perform maintenance work such as the replacement of the filter medium.

在如上述方式所構成的集塵裝置中，與習知同樣地，經由筒狀濾材10將供應至粉塵室4的含塵空氣 抽吸至清淨空氣室6，此時藉由筒狀濾材10進行集塵。 In the dust collection device constructed as described above, the dust-containing air supplied to the dust chamber 4 is sucked into the clean air chamber 6 through the cylindrical filter material 10, and the cylindrical filter material 10 is used for this purpose. Dust collection.

若集塵運轉持續進行，則隨著粉塵附著在筒狀濾材10的外表面(粉塵室側面)，筒狀濾材10前後的壓差會上升。當該差壓成為設定值以上時、或與壓差無關地運轉時間超過預定時間時，進行粉塵拍落作業。 If the dust collection operation continues, as dust adheres to the outer surface (side of the dust chamber) of the cylindrical filter medium 10, the pressure difference between the front and rear of the cylindrical filter medium 10 increases. When the differential pressure becomes equal to or greater than the set value, or when the operation time exceeds a predetermined time regardless of the pressure difference, dust flapping operation is performed.

在該粉塵拍落作業中，在預定時間開啟第一及第二電磁閥28、36，並從屬於配置在筒狀濾材10的外部上方位置、及與該位置相對向之筒狀濾材10的內部位置的脈衝噴射排出部的第一及第二排出噴嘴24、32，以脈衝噴射的形態排出壓縮空氣。 In this dust falling operation, the first and second solenoid valves 28 and 36 are opened at a predetermined time, and are subordinated to the position above the outside of the cylindrical filter material 10 and the inside of the cylindrical filter material 10 opposite to the position. The first and second ejection nozzles 24 and 32 of the pulse jet ejection section of the position eject the compressed air in the form of pulse ejection.

如此，以相對向形態排出的壓縮空氣係在筒狀濾材10的內部空間內衝突，使筒狀濾材10的內壓提升，而可遍及筒狀濾材10的全長均勻地拍落粉塵。 In this way, the compressed air discharged in the opposite direction collides in the internal space of the cylindrical filter material 10, and the internal pressure of the cylindrical filter material 10 is increased, and the dust can be evenly beaten off over the entire length of the cylindrical filter material 10.

在本實施態樣中，在筒狀濾材10的內部空間，無配置阻礙空氣流動的構件，所以壓縮空氣的壓力不會受到如此的構件而減少。 In this embodiment, in the internal space of the cylindrical filter medium 10, no member obstructing the flow of air is arranged, so the pressure of the compressed air is not reduced by such a member.

第一及第二電磁閥28、36的開放開始時間亦可為同時，惟亦可在開始時間具有時間差，亦即使來自第一排出噴嘴24的壓縮空氣的噴出開始時間、與來自第二排出噴嘴32的壓縮空氣的噴出開始時間錯開。 The opening start time of the first and second solenoid valves 28, 36 may be at the same time, but there may be a time difference between the start times, even if the compressed air ejection start time from the first discharge nozzle 24 is different from that of the second discharge nozzle. The start time of the spraying of compressed air at 32 is staggered.

再者，藉由改變來自兩個排出噴嘴的壓縮空氣的噴出開始時間的時間差，而可改變來自兩個排出噴嘴的壓縮空氣的衝突位置，亦即可在筒狀濾材的長邊方向改變局部性之內壓上升點的位置。 Furthermore, by changing the time difference between the start time of the compressed air from the two discharge nozzles, the collision position of the compressed air from the two discharge nozzles can be changed, that is, the locality can be changed in the longitudinal direction of the cylindrical filter material. The position of the point where the pressure rises.

因此，以內壓上升點位於在濾材的粉塵拍落所需部位的附近的形態，控制來自兩個排出噴嘴的壓縮空氣的噴出開始時間的偏差，從而可因應濾材的粉塵附著狀態，執行適當的粉塵拍落。 Therefore, the internal pressure rise point is located near the place where the dust of the filter material is required to fall, and the deviation of the start time of the compressed air from the two discharge nozzles is controlled, so that the appropriate dust can be performed according to the dust adhesion state of the filter material. Shoot down.

再者，若採用依脈衝噴射的每一次或複數次噴射使來自兩個排出噴嘴的壓縮空氣的噴出開始時間的時間差階段性變化的方法，則可一面使內壓上升點連續地移動，一面遍及筒狀濾材10的整體內表面均勻地進行粉塵拍落。 Furthermore, if the method of changing the time difference in the start time of the compressed air from the two discharge nozzles step by step with each pulse injection or multiple injections, it is possible to continuously move the internal pressure rise point while covering the entire area. The entire inner surface of the cylindrical filter material 10 is evenly slapped off.

具體而言，就筒狀濾材10而言，使用長度540mm的濾材筒(cartridge filter)，且以150ms、100ms、50ms、0ms(同時)、-50ms、-100ms、-150ms的順序依序改變上下脈衝的開始時間的偏差，藉此可有效性地拍落濾材的整體內周表面的粉塵。 Specifically, for the cylindrical filter material 10, a cartridge filter with a length of 540mm is used, and the upper and lower sides are sequentially changed in the order of 150ms, 100ms, 50ms, 0ms (simultaneous), -50ms, -100ms, and -150ms. The deviation of the start time of the pulse can effectively slap off the dust on the entire inner peripheral surface of the filter material.

如以上說明之方式，根據上述實施形態，從位於筒狀濾材10的外部位置的第一排出噴嘴24、及配置於與該第一排出噴嘴24相對向之濾材的內部位置的第二排出噴嘴32所排出的壓縮空氣的集體會在筒狀濾材10的內部衝突，而可遍及筒狀濾材10的全長均勻地拍落粉塵。 As described above, according to the above embodiment, from the first discharge nozzle 24 located at the outer position of the cylindrical filter medium 10, and the second discharge nozzle 32 arranged at the inner position of the filter medium opposite to the first discharge nozzle 24 The mass of discharged compressed air collides in the interior of the cylindrical filter material 10, and the dust can be evenly beaten off over the entire length of the cylindrical filter material 10.

本發明並不限定於前述實施形態，在申請專利範圍所記載的技術性思想的範圍內可進行各種的改變、變形。 The present invention is not limited to the foregoing embodiment, and various changes and modifications can be made within the scope of the technical idea described in the scope of the patent application.

在上述實施形態中，第二排出部20的管路 30的反轉路徑30a係一面描繪曲線(亦即一面彎曲)一面形成大致U字狀，惟只要反轉路徑係設置於前端的第二排出噴嘴32的排出口朝向筒狀濾材10d的一端側開口的構成，則亦可為任何的構成。 In the above-mentioned embodiment, the reversal path 30a of the pipeline 30 of the second discharge part 20 is formed into a substantially U-shape while drawing a curve (that is, one side is curved), but as long as the reversing path is the second discharge provided at the front end The configuration in which the discharge port of the nozzle 32 opens toward one end side of the cylindrical filter medium 10d may have any configuration.

例如，第6圖所示的方式，亦可為從路徑40直線性地反轉成朝向上方開口的「ㄈ」字狀的形狀的反轉路徑40a。在如前述的反轉路徑40a的前端，以排出口朝向筒狀濾材10的一端側開口的方式設置有第二排出噴嘴42。 For example, the form shown in FIG. 6 may be a reversal path 40a that is linearly reversed from the path 40 into a "ㄈ" shape that opens upward. At the front end of the reversing path 40 a as described above, a second discharge nozzle 42 is provided so that the discharge port opens toward one end side of the cylindrical filter medium 10.

再者，如第7圖所示的方式，亦可在路徑50的前端且為左右兩個部分形成分支(分歧)的倒T字狀之形狀的反轉路徑50a。在如前述的反轉路徑50a的分支部分的各自前端，以排出口朝向筒狀濾材10的一端側開口的方式設置有第二排出噴嘴52。 Furthermore, as shown in FIG. 7, it is also possible to form an inverted T-shaped inverted path 50a branched (branched) at the front end of the path 50 at two left and right portions. At the respective front ends of the branch portions of the reversal path 50a as described above, second discharge nozzles 52 are provided so that the discharge port opens toward one end side of the cylindrical filter medium 10.

再者，在上述實施形態中，管路30係配置在筒狀濾材10的內部空間，但並不限定於此配置。例如，如第8圖所示，管路60亦可為以在筒狀濾材10的外部從筒狀濾材10的一端側朝另一端側延伸的方式配置的構成。管路的反轉路徑60a係以貫通筒狀濾材10的底壁而延伸且其前端位於筒狀濾材10的內部空間的中央的方式配置，而於反轉路徑60a的前端設置有第二排出噴嘴62。如第9圖所示，管路60的上端係藉由配置於筒狀濾材10的一端的濾材上部盤件12所支持。 In addition, in the above-mentioned embodiment, the pipeline 30 is arranged in the internal space of the cylindrical filter medium 10, but it is not limited to this arrangement. For example, as shown in FIG. 8, the pipeline 60 may be arranged so as to extend from one end side of the cylindrical filter medium 10 to the other end side outside the cylindrical filter medium 10. The reversal path 60a of the pipeline is arranged to extend through the bottom wall of the cylindrical filter medium 10 and its front end is located in the center of the inner space of the cylindrical filter medium 10. A second discharge nozzle is provided at the front end of the reversal path 60a 62. As shown in FIG. 9, the upper end of the pipeline 60 is supported by the filter upper disc 12 arranged at one end of the cylindrical filter 10.

再者，在上述實施形態中，第二排出噴嘴 的前端係與管路為相同之直徑，惟亦可如第10圖、第11圖的構成，路徑70、80的反轉路徑之前端的第二排出噴嘴72、82具有前端細窄或擴展形狀的構成。 Furthermore, in the above embodiment, the tip of the second discharge nozzle has the same diameter as the pipe, but it can also be configured as shown in Figs. 10 and 11, and the second end of the path 70 and 80 at the front end of the reverse path The discharge nozzles 72 and 82 have a configuration with a narrow or expanded shape at the tip.

在實施形態中，係在圓筒狀濾材的上下設置脈衝噴射排出部，惟濾材的形狀並不限定於圓筒狀。例如，具有細長矩形剖面且下端被閉塞的筒狀的濾材(所謂平板狀的濾材)。 In the embodiment, the pulse jet discharge portion is provided above and below the cylindrical filter material, but the shape of the filter material is not limited to the cylindrical shape. For example, a cylindrical filter material (so-called flat-plate filter material) having an elongated rectangular cross-section and a closed lower end.

1‧‧‧框體 1‧‧‧Frame

2‧‧‧單元板 2‧‧‧Unit board

4‧‧‧粉塵室 4‧‧‧Dust room

6‧‧‧清淨空氣室 6‧‧‧Clean air room

8‧‧‧濾材框架 8‧‧‧Filter material frame

10‧‧‧筒狀濾材 10‧‧‧Cylinder filter material

18‧‧‧第一排出部 18‧‧‧First discharge part

20‧‧‧第二排出部 20‧‧‧Second discharge section

22‧‧‧歧管 22‧‧‧Manifold

24‧‧‧第一排出噴嘴 24‧‧‧First discharge nozzle

26‧‧‧第一氣槽 26‧‧‧First air tank

28‧‧‧第一電磁閥 28‧‧‧First solenoid valve

30‧‧‧管路 30‧‧‧Pipe

30a‧‧‧反轉路徑 30a‧‧‧Reverse path

32‧‧‧第二排出噴嘴 32‧‧‧Second discharge nozzle

34‧‧‧歧管 34‧‧‧Manifold

36‧‧‧第一電磁閥 36‧‧‧First solenoid valve

38‧‧‧第二氣槽 38‧‧‧Second air tank

100‧‧‧集塵裝置 100‧‧‧Dust collection device

Claims (10)

一種集塵裝置，係具備有對附著在筒狀濾材的粉塵進行除去的脈衝噴射式粉塵拍落機構者，前述脈衝噴射式粉塵拍落機構係具備有：第一排出部，係具有從前述筒狀濾材的一端側開口朝向前述筒狀濾材的內部排出脈衝噴射的第一排出噴嘴；以及第二排出部，係具有從前述筒狀濾材的另一端側朝向前述筒狀濾材的一端側開口排出脈衝噴射的第二排出噴嘴；該第二排出噴嘴係設置於自前述筒狀濾材的一端側延伸至另一端側的管路的前端側；前述管路係配置於屬於供導入清淨空氣之空間的前述筒狀濾材的內部空間。 A dust collecting device is provided with a pulse jet type dust flapping mechanism for removing dust attached to a cylindrical filter material. The pulse jet type dust flapping mechanism is provided with: A first discharge nozzle that discharges pulse jets from one end of the cylindrical filter material toward the inside of the cylindrical filter material; and a second discharge portion that discharges pulses from the other end of the cylindrical filter material toward one end of the cylindrical filter material. The second discharge nozzle for jetting; the second discharge nozzle is provided on the front end side of a pipe extending from one end of the cylindrical filter material to the other end; the aforementioned pipe is disposed on the aforementioned space for introducing clean air The internal space of the cylindrical filter material. 如申請專利範圍第1項所述的集塵裝置，前述管路係具有設置於前端部的反轉路徑，且前述第二排出噴嘴係設置於前述反轉路徑的前端。 As for the dust collector described in the first item of the scope of patent application, the pipeline system has a reversing path provided at the front end, and the second discharge nozzle is provided at the front end of the reversing path. 如申請專利範圍第2項所述的集塵裝置，其中，前述反轉路徑係具有大致U字形狀。 The dust collecting device described in the second item of the scope of patent application, wherein the reversing path has a substantially U-shape. 如申請專利範圍第1項至第3項中任一項所述的集塵裝置，其中，前述第二排出噴嘴係具有前端細窄形狀。 According to the dust collection device described in any one of items 1 to 3 in the scope of the patent application, the second discharge nozzle has a narrow tip shape. 如申請專利範圍第1項至第3項中任一項所述的集塵裝置，其中，前述第二排出噴嘴係具有擴展形狀。 According to the dust collecting device described in any one of items 1 to 3 of the scope of patent application, the second discharge nozzle has an expanded shape. 如申請專利範圍第1項至第3項中任一項所述的集塵裝 置，其中，前述反轉路徑係前端側分支成複數個部分，且在該部分之各者設置有第二排出噴嘴。 The dust collection device described in any one of items 1 to 3 of the scope of patent application Wherein, the front end side of the aforementioned reverse path is branched into a plurality of parts, and each of the parts is provided with a second discharge nozzle. 如申請專利範圍第1項至第3項中任一項所述的集塵裝置，其中，前述第二排出部係與前述筒狀濾材一體性地構成，且構成為可從前述集塵裝置一體地裝卸。 The dust collecting device according to any one of items 1 to 3 of the scope of patent application, wherein the second discharge part is integrally configured with the cylindrical filter material, and is configured to be integrated from the dust collecting device To load and unload. 如申請專利範圍第1項至第3項中任一項所述的集塵裝置，其中，前述集塵裝置係具備有：劃分粉塵室與清淨空氣室的單元板、以及用來在該單元板安裝前述筒狀濾材的濾材框架；前述濾材框架係具有與形成在前述筒狀濾材之一端側的孔部互補的突起，前述筒狀濾材係藉由使前述突起嵌合於前述孔部，而裝卸自如地安裝於前述集塵裝置。 The dust collecting device according to any one of items 1 to 3 in the scope of the patent application, wherein the dust collecting device is provided with: a unit plate dividing a dust room and a clean air room, and a unit plate used to The filter material frame to which the cylindrical filter material is mounted; the filter material frame has a protrusion complementary to the hole formed at one end of the cylindrical filter material, and the cylindrical filter material is attached and detached by fitting the protrusion into the hole. Freely install on the aforementioned dust collector. 一種粉塵拍落方法，係於申請專利範圍第1項至第8項中任一項所述的集塵裝置中的粉塵拍落方法，該粉塵拍落方法方法係具備有：從前述第一排出部及第二排出部排出脈衝噴射並從前述筒狀濾材拍落粉塵的拍落步驟，並且該拍落步驟係以來自前述第一排出部的脈衝噴射的排出、與來自前述第二排出部的脈衝噴射的排出具有時間差的形態被開始。 A dust-slapping method is the dust-slapping method in the dust collecting device described in any one of items 1 to 8 of the scope of patent application. The dust-slapping method is provided with: Part and the second discharge part discharge pulse jets and slapping dust from the cylindrical filter material, and the slapping step is based on the discharge of the pulse jet from the first discharge part and the discharge from the second discharge part. The discharge of the pulse jet is started with a time difference. 如申請專利範圍第9項所述之粉塵拍落方法，其中，該粉塵拍落方法係一面改變前述時間差一面被執行。 As described in item 9 of the scope of patent application, the dust slapping method is executed while changing the aforementioned time difference.
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